JPH07224413A - Beach cleaning working vehicle - Google Patents

Abstract

PURPOSE:To provide a working vehicle in which uneasiness of operation interruption due to entwined trash around a device on the way of cleaning work is little, the cleaning work can be efficiently carried out, portions to be broken are very few, and repair and maintenance costs are little. CONSTITUTION:A carriage part 10 towed by a tractor to move on the sandy ground S is provided with an excavation roller 52 for digging up a sandy ground surface to rake up trash in the sandy ground S, a trash transfer device part 12 for transferring the trash upward, and a trash storing part 14 for storing the trash transferred to an upper position. In the trash transfer device part 12, an inner rotary cone 26 is arranged rotatably around a vertical axis inside of an outer fixed cone 24, a spiral guide vane 42 is fixed to an outer peripheral surface of the inner rotary cone 26, a scavenging claw 43 for scooping up the trash is fixed to a lower end part of the guide vane 42, and the trash induced through an opening part 44 of the outer fixed cone 24 is moved upward through a space 28.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to empty cans, empty bottles, empty boxes, empty bags that have been dumped or washed ashore by beach guests.
Collect various miscellaneous debris such as cigarette butts, small driftwood, fishing line, vinyl sheets while traveling on the sand,
It relates to a special vehicle that cleans the coast.

[0002]

2. Description of the Related Art Conventionally, cleaning of a beach has been carried out by sending out a large number of people and manually collecting garbage. However, such a cleaning method requires a large labor cost. Also, with the manual method, empty cans, bottles, and driftwood that are easily noticeable are collected, but small dust such as cigarette butts is often overlooked, and small dust dives into the sand. It is easy and almost no garbage can be collected when buried in the sand.

Therefore, some beaches have recently been using the
The beach cleaning work vehicle whose schematic configuration is schematically shown in FIG. This work vehicle has a structure in which a large number (100 or more) of special wires 5 having elasticity are fixed to the entire front surface side of a conveyor belt 4 which is stretched between a driving roller 2 and a driven roller 3. The mechanical unit 1, a bucket 6 for collecting the dust picked up by the dust picking-up mechanism unit 1, a wheel 7 for traveling on the sand S, and the like are configured. In this work vehicle, the front portion 8 is connected to a towing vehicle such as a tractor, and while being pulled by the towing vehicle and moving on the sand S, the drive roller 2 is rotationally driven to move the conveyor belt 4 around. Thus, the foreign matter is caught in the wire 5 and picked up, and the dust is collected in the bucket 6.

[0004]

By using a work vehicle as shown in FIG. 8, a small number of people can clean the coast, which required a lot of manpower, and sandy land. It is possible to collect even the small dust buried in the. However, in this work vehicle, if a piece of fishing line, rope, vinyl sheet, or the like is entangled with the wire 5, the function cannot be exerted. In such a case, the cleaning work must be temporarily stopped, the operation of the pick-up mechanism unit 1 must be stopped, and the scraps must be removed from the wire 5 by a worker using a knife or the like, which is troublesome. It will be. In addition, if the operator is forced to operate with a piece of fishing line, rope, hineel sheet, etc. entangled with the wire 5, the wire 5 will bend and become unusable. Therefore, the wire 5 must be replaced and repaired,
There is a problem that a lot of maintenance costs are required throughout the year.

The present invention has been made in view of the above circumstances, and there is little concern that dust and the like will get caught in the device and interrupt the operation during the cleaning work, and the cleaning work can be carried out efficiently. It is an object of the present invention to provide a beach cleaning work vehicle that can be carried out and has few places where damage may occur, and repair and maintenance costs are low.

[0006]

According to the present invention, there are provided a trolley portion having wheels, a refuse transfer device portion for moving refuse upward, and a refuse product moved to an upper position by the refuse transfer device portion. A garbage cleaning unit for accommodating and a digging roller for excavating the sandy ground to scrape out the trash buried in the sandy ground constitute a coast cleaning work vehicle. The trolley unit is pulled by a towing vehicle such as a tractor or a cultivator or is self-propelled to move on the sand surface. The refuse transfer device portion has a conical tubular shape, and is fixed to the trolley portion so that the axial center line is in the vertical direction and the large-diameter portion is downward.
An outer fixed cone with an opening for introducing debris to the inside of the cylinder at the lower front side, and a conical tubular shape smaller than this outer fixed cone, inside the outer fixed cone, its inner circumference An inner rotating cone concentric with the outer fixed cone so that a large space is formed between the surfaces and the large diameter portion is on the lower side, and is rotatably supported around the vertical axis on the carriage. A rotary drive for rotating the inner rotary cone, and an outer peripheral surface of the inner rotary cone, which is spirally fixed around its axis, and is between the outer peripheral end and the inner peripheral surface of the outer fixed cone. From the guide vanes that are arranged so that a gap is formed to allow the rotation of the inner rotary cone to be formed, and the polishing claws that are fixed to the lower ends of the guide vanes and scoop dust on the sandy surface. The inner rotating cone is rotated to Dust such introduced into the space between the through the opening of the outer fixed cone outer fixed cone and an inner rotary cone moves upward through the space.
Further, the excavation roller is arranged on the front side of the refuse transfer device section.

[0007]

In the coast cleaning work vehicle according to the present invention constructed as described above, the bogie portion is pulled by a towing vehicle such as a tractor or is moved by itself on the sand ground while the excavation rollers are used to move the sand ground. The trash is excavated and the trash buried in the sand is scratched out, and the trash scattered on the surface of the sand and the trash excavated from the sand are moved upward by the trash transport device, The refuse moved to the position is stored in the refuse storage unit. in this case,
In the refuse transfer device part, the inner rotary cone rotates and the spiral guide vanes integral with it rotate, so that the space between the outer peripheral surface of the inner rotary cone and the inner peripheral surface of the outer fixed cone is An air current is generated that rises spirally through the air flow.
Then, the debris scattered on the surface of the sand and the debris excavated from the sand by the excavating rollers are stored in the space between the outer fixed cone and the inner rotating cone through the opening on the lower front side of the outer fixed cone. Introduced to the lower position. Among these garbage, light dust such as empty boxes, empty bags, cigarette butts, etc. is rolled up in the space by the rising airflow, and floats up to the upper position at once in the rising airflow. In addition, relatively heavy garbage such as empty cans and bottles,
After being scooped up from the sand surface by the sharpening claw, it collides with the upper surface side of the rotating spiral guide vane and is repelled upward, and then collides with the inner peripheral surface of the outer fixed cone toward the inner rotating cone. It bounces back, hits the upper surface of the guide vane again, and is pushed upward. In this way, the empty can or the like spirally moves upward and reaches the upper position while repeatedly colliding with the upper surface side of the rotating guide vane and the inner peripheral surface of the outer fixed cone. On the other hand, the sand scooped together with the garbage by the scrubbing jaw is blown in the radial direction by the centrifugal force, collides with the inner peripheral surface of the outer fixed cone, and then falls before reaching the upper position due to its own weight. To do. In this way, the refuse and the sand are separated, and only the refuse is collected from the upper position of the refuse transfer device section in the refuse storage section.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the drawings.

1 to 5 show an embodiment of the present invention, FIG. 1 is a side view of a coast cleaning work vehicle, FIG. 2 is a plan view thereof, and FIG. 3 is this work. FIG. 4 is a vertical sectional view taken along the line IV-IV of FIG.
FIG. 6 is a perspective view of an inner rotating cone that is one of the components of this work vehicle, and FIG. 6 shows a bottom side of a combination of the inner rotating cone and an outer fixed cone that is one of the components of the work vehicle. FIG. 7 is a diagram viewed from above, and FIG. 7 is a diagram schematically showing a schematic configuration of this work vehicle.

This coast cleaning work vehicle is composed of a carriage unit 10, a refuse transfer device unit 12, a refuse storage unit 14, and an excavation device unit 16. The trolley unit 10 has wheels 18 at the rear portion thereof, and at the front end thereof, has a coupling portion 20 for coupling to a rear portion 22 of a towing vehicle such as a tractor and a cultivator, and is pulled by the towing vehicle. It is possible to move on the sandy ground S. The garbage transfer device section 12 is a truck section.
It is located in the center of 10 and the excavation equipment section is in front of it.
16 is provided, and a refuse storage unit 14 is provided on the rear side of the refuse transfer unit 12 and adjacent thereto.

As shown in FIG. 4, the refuse transfer device 12 has an outer fixed cone 24 having a conical tubular shape, and a smaller conical tubular shape than the outer fixed cone 24.
And an inner rotating cone 26 disposed inside the.
The two cones 24 and 26 are arranged concentrically with each other so that the axial center line is vertical and the large diameter portion is downward, and the inner peripheral surface of the outer fixed cone 24 and the inner rotation face are rotated. A space 28 is formed between the cone 26 and the outer peripheral surface thereof. The outer fixed cone 24 is fixed to the carriage 10. On the other hand, the inner rotating cone 26 has a body ring 30 at the top.
It is rotatably supported around the vertical axis and suspended from the vertical axis 32 having a lower half portion integrally fixed to the body wheel 30 integrally fixed thereto. The upper half part of the vertical rotary shaft 32 is rotatably supported by a pair of upper and lower tapered roller bearing mechanisms 36, 36 provided in a casing 34 fixed to the carriage unit 10, and the upper end of the vertical rotary shaft 32 is a worm. Decelerator
38, and the input shaft of the worm reducer 38 is connected to the rotary shaft of the rotary drive motor 40. Then, by driving the rotary drive motor 40, the worm reducer
38, the inner rotary cone 26 through the vertical rotary shaft 32 and the trunk 30
Is a predetermined speed, for example 180 r. p. m. It is designed to rotate around the vertical axis at the number of rotations of. Further, as shown in FIG. 5, guide vanes 42 are fixed to the outer peripheral surface of the inner rotary cone 26 in a spiral shape around the axis of the inner rotary cone 26. The guide vanes 42, in this embodiment, as shown in FIG.
Three pieces are provided so as to form an angle of 120 ° with each other (note that in FIG. 4, only one guide vane 42 is drawn for easy understanding). The guide vanes 42 are arranged so that a slight gap is formed between the outer peripheral end of the guide vanes 42 and the inner peripheral surface of the outer fixed cone 24 to the extent that the inner rotary cone 26 is allowed to rotate. There is. Also, each guide wing 42
At the lower end of each of them, a scavenging claw 43 for scooping up dust on the surface of the sand is fixed. An opening 44 is formed in the lower portion on the front side of the outer fixed cone 24 to introduce debris into the lower position of the space 28 between the two cones 24, 26. Further, a guide cover 46 having a front end face opened is provided from the lower portion on the front side of the outer fixed cone 24 to the front. A narrow rubber plate 48 is attached to the lower end of the guide cover 46 and the lower end of the outer fixed cone 24. Further, a refuse discharge port 50 provided with a scraper is formed on the upper rear side of the refuse transfer device section 12, and the refuse discharged from the discharge port 50 flows into the refuse storage section 14. Be recovered.

The excavator unit 16 has an excavation roller 52 in which a large number of excavation claws 54 are planted, and the excavation roller 52 is supported by the lower ends of a pair of left and right arms 56 so as to be rotatable about a horizontal axis.
The upper end of each arm 56 is pivotally attached to the front end of the carriage 10. Each arm 56 has a hydraulic cylinder 58, one end of which is rotatably attached to the carriage 10, and a tip end of an operating shaft of the hydraulic cylinder 58 is pivotally attached. It is designed to rock. Further, the excavation roller 52 is connected to a drive shaft of a rotary drive motor 64 via a gear box 62 via a power transmission mechanism arranged inside one of the arms 56 and inside the cover 60, and is driven to rotate. By driving the motor 64, the excavation roller 52 rotates around the vertical axis.

In order to clean the shore using the work vehicle having the above-mentioned structure, the front end of the bogie portion 10 of the work vehicle is connected to a tow vehicle such as a tractor, and the excavating roller 52 is rotated. The inner rotating cone 26 is, for example, 180 r. p. m.
The truck 10 is pulled by the tow truck while rotating at the number of revolutions of, and moves on the sand S, for example, at a speed of 5 km / h. Thus, the excavating roller 52 and the inner rotating cone
When the work vehicle moves on the sandy ground S while rotating 26, the surface of the sandy ground S is excavated by the excavation claws 54 of the excavation roller 52, and the dusts buried in the sandy ground S are scraped out. Sandy S
The dust excavated from the inside and the dust scattered on the surface of the sand S are moved from the inner position of the guide cover 46 through the opening 44 at the lower front side of the outer fixed cone 24 as the work vehicle moves. It is introduced into the lower part of the space 28 between the two cones 24, 26.
Then, light dust such as empty boxes, empty bags, cigarette butts, etc. are suddenly levitated to the upper position at once by riding on the air current that spirally rises through the space 28 between the cones 24 and 26, and the dust transporting device section. It flows from the upper position of 12 through the refuse discharge port 50 into the refuse container 14, and is collected in the refuse container 14. Also, for relatively heavy debris such as empty cans and bottles,
After being scooped up from the surface of the sand S by 43, the collision with the upper surface side of the rotating spiral guide vanes 42 and the outer fixed cone
While repeatedly colliding with the inner peripheral surface of 24, it moves upward in a spiral shape and reaches the upper position, and also the waste container 14
Will be recovered in. On the other hand, the sand scooped together with the garbage by the sweeping claw 43 along with the rotation operation of the inner rotating cone 26 is blown in the radial direction by the centrifugal force and collides with the inner peripheral surface of the outer fixed cone 24, Due to its own weight, it falls before reaching the upper position and does not flow into the refuse storage unit 14.
In this way, the refuse and the sand are separated, and only the refuse is collected in the refuse container 14.

The coast cleaning work vehicle according to the present invention has the structure as described above, but the scope of the present invention is not limited by the above description and the contents of the drawings, and various modifications are possible without departing from the scope of the invention. Variations may be included. For example, in the above embodiment, the work vehicle is pulled by the towing vehicle to move on the sand surface, but the work vehicle itself is provided with a driving / traveling mechanism to move on the sand surface by self-propelled type. The configuration may be such that Alternatively, a fork mechanism may be provided at the front end portion of the dolly, and the fork mechanism may be used to collect large-sized refuse in another large-sized collection box.

[0015]

Since the present invention is constructed and operates as described above, when the work vehicle according to the present invention is used to clean the shore, dust and debris is collected in the device during the work. Since there is little concern that operation will be entangled and operation will be interrupted, cleaning work will be performed efficiently, and since there are few places where damage may occur, repair and maintenance costs are low.

[Brief description of drawings]

FIG. 1 is a side view of a beach cleaning work vehicle according to an embodiment of the present invention.

FIG. 2 is a plan view of this work vehicle.

FIG. 3 is a view of the work vehicle as viewed from the front.

FIG. 4 is a vertical sectional view taken along the line IV-IV in FIG.

FIG. 5 is a perspective view of an inner rotating cone that is one of the components of this work vehicle.

FIG. 6 is a view of a combination of an inner rotating cone and an outer fixed cone, which are constituent elements of this work vehicle, viewed from the bottom side.

FIG. 7 is a diagram schematically showing a schematic configuration of this work vehicle.

FIG. 8 is a schematic view showing an example of a schematic configuration of a conventional beach cleaning work vehicle.

[Explanation of symbols]

10 Trolley 12 Dust transfer device 14 Dust storage 16 Excavator 18 Wheel 22 Rear of tow vehicle 24 Outer fixed cone 26 Inner rotary cone 28 Outer fixed cone inner peripheral surface and inner rotary cone outer peripheral surface Space between them 32 Vertical rotation axis 38 Worm reducer 40 Rotation drive motor 42 Guide vanes 43 Abrasive claw 44 Outside fixed cone opening 50 Garbage discharge outlet 52 Excavation roller 54 Excavation claw 56 Arm 64 Rotation drive motor S Sand

Claims (1)

[Claims] 1. A bogie part having wheels, which is pulled by a towing vehicle or moves on a sandy surface by self-propelling, and has a conical cylindrical shape, and the axis of the bogie part is vertical. And the large diameter part is fixed downward, and the outer fixed cone with an opening for introducing dust into the inside of the cylinder at the front lower part, a conical cylindrical shape smaller than this outer fixed cone The inner side of the outer fixed cone is arranged concentrically with the outer fixed cone so that a space is formed between the outer fixed cone and the large diameter part of the outer fixed cone, and the trolley part is provided. An inner rotary cone that is rotatably supported around a vertical axis, a rotary drive that drives the inner rotary cone to rotate,
The inner rotary cone is fixed to the outer peripheral surface in a spiral shape around its axis, and a gap is formed between the outer peripheral end and the inner peripheral surface of the outer fixed cone to allow rotation of the inner rotary cone. The guide wing arranged so that it is fixed to the lower end of the guide wing, and consists of a polishing and sweeping claw that scoops up dust on the sandy surface. A refuse transfer device section for moving the refuse introduced through the opening of the cone into the space between the outer fixed cone and the inner rotating cone upward through the space, and this refuse transfer apparatus section And a digging roller that is disposed in front of the trash transporting unit for trash that has been moved to the upper position by the digging roller to dig up the sand ground and scrape the trash buried in the sand ground. Coast with掃用 work vehicle.